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TPS767D318-Q1 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS767D318-Q1 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 22 page ELECTRICAL CHARACTERISTICS TPS767D3xx www.ti.com......................................................................................................................................................... SLVS209H – JULY 1999 – REVISED AUGUST 2008 Over operating temperature range (TJ = –40°C to +125°C), VIN = VOUT(nom) + 1V, IOUT = 1mA, VEN = 0V, and COUT = 10µF, unless otherwise noted. Adjustable channels are set to VOUT = 3.3V. Typical values are at TJ = 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage range, V1IN, V2IN (1) 2.7 10 V Adjustable VOUT range, V1OUT, V2OUT 1.5 5.5 V VOUT + 1V ≤ VIN ≤ 5.5V; Accuracy, adjustable VOUT channels (1) –2.0 +2.0 % VOUT 10 µA ≤ I OUT ≤ 1A VOUT + 1V ≤ VIN ≤ 10V; Accuracy, fixed VOUT channels (1) –2.0 +2.0 % 10 µA ≤ I OUT ≤ 1A ΔVOUT%/ΔVIN Line regulation(1) VOUT + 1.0V ≤ VIN ≤ 10V 0.01 %/V ΔVOUT%/ΔIOUT Load regulation 10 µA ≤ I OUT ≤ 1A 3 mV Dropout voltage(2) VDO VOUT = 3.3V, IOUT = 1A 350 575 mV (VIN = VOUT (nom) – 0.1V) ICL Output current limit, per LDO VOUT = 0V, TJ = +25°C 1.7 2 A IGND Ground pin current, per LDO 10 µA ≤ I OUT ≤ 1A 85 125 µA ISHDN Standby current, per LDO 2.7V ≤ VIN ≤ 10V, VEN = VIN 1 10 µA IFB FB current input (Adjustable) VFB = 1.5V 2 nA PSRR Power-supply ripple rejection f = 1kHz, COUT = 10µF 60 dB BW = 200Hz to 100kHz, VOUT = 1.8V, VN Output noise voltage 55 µV RMS IC = 1A, COUT = 10µF VEN(HI) High-level enable input voltage TJ = +25°C 2.0 V VEN(LO) Low-level enable input voltage TJ = +25°C 0.8 V VEN = 0V, TJ = +25°C –1 0 1 IEN Input current µA VEN = VIN, TJ = +25°C –1 1 Minimum input voltage for valid IOUT(RESET) = 300µA 1.1 V RESET Trip threshold voltage VOUT decreasing, TJ = +25°C 92 98 %VOUT Hysteresis voltage Measured at VOUT 0.5 %VOUT Reset VI = 2.7V, TJ = +25°C, Output low voltage 0.15 0.4 V IOUT(RESET)= 1mA Leakage current V(RESET) = 7V, TJ = +25°C 1 µA RESET time-out delay TJ = +25°C 100 200 400 ms TSD Thermal shutdown temperature 150 °C TJ Operating junction temperature –40 +125 °C (1) Minimum VIN = VOUT + VDO or 2.7V, whichever is greater. (2) Dropout voltage (VDO) is not measured for channels with VOUT(nom) < 2.8V since minimum VIN = 2.7V. Copyright © 1999–2008, Texas Instruments Incorporated Submit Documentation Feedback 3 |
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